Taylor Kinney Cracks a Smile After Split from Lady Gaga!

The newly-single actor flashed a grin while on the set of his TV show Chicago Fire.

Earlier this week new broke that the most perfect couple in existence, Lady Gaga and Taylor Kinney, have decided to call off their engagement. Now, as we attempted to pick up the pieces, a photo has surfaced of Kinney looking pretty jovial while hanging with his co-stars.